<template>
	<div>
		<!-- 面包屑导航区域 -->
		<el-breadcrumb separator-class="el-icon-arrow-right">
			<el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
			<el-breadcrumb-item>商品管理</el-breadcrumb-item>
			<el-breadcrumb-item>商品列表</el-breadcrumb-item>
		</el-breadcrumb>
		<!-- 卡片视图区域 -->
		<el-card>
			<el-row :gutter="20">
				<el-col :span="8">
					<el-input placeholder="请输入内容" v-model="queryInfo.query" clearable
					@clear="getGoodsList">
						<el-button slot="append" icon="el-icon-search"
						@click="getGoodsList"></el-button>
					</el-input>
				</el-col>
				<el-col :span="4">
					<el-button type="primary" @click="goAddpage">添加商品</el-button>
				</el-col>
			</el-row>
			<!-- 表格区域 -->
			<el-table :data="goodslist" border stripe>
				<el-table-column type="index" label="#"></el-table-column>
				<el-table-column label="商品名称" prop="goods_name"></el-table-column>
				<el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
				<el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
				<el-table-column label="创建时间" prop="add_time" width="140px">
					<template v-slot="scope">
						{{ scope.row.add_time | dateFormat}}
					</template>
				</el-table-column>
				<el-table-column label="操作" width="130px">
					<template v-slot="scope">
						<el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
						<el-button type="danger" icon="el-icon-delete" size="mini"
						@click="removeById(scope.row.goods_id)"></el-button>
					</template>
				</el-table-column>
			</el-table>
			<!-- 分页 -->
			<el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
			:current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize"
			layout="total, sizes, prev, pager, next, jumper" :total="total" background></el-pagination>
		</el-card>
	</div>
</template>

<script>
	export default {
		data(){
			return{
				// 查询参数对象
				queryInfo:{
					query: '',
					pagenum: 1,
					pagesize: 10
				},
				// 商品列表
				goodslist: [],
				// 总数据条数
				total: 0
			}
		},
		created() {
			this.getGoodsList()
		},
		methods:{
			// 根据分页获取对应商品列表
			async getGoodsList(){
				const { data:res } = await this.$http.get('goods', { params: this.queryInfo })
				if(res.meta.status !== 200) return this.$message.error('获取商品列表失败')
				// this.$message.success('成功')
				// console.log(res.data)
				this.goodslist = res.data.goods
				this.total = res.data.total
			},
			handleSizeChange(newSize){
				this.queryInfo.pagesize = newSize
				this.getGoodsList()
			},
			handleCurrentChange(newPage){
				this.queryInfo.pagenum = newPage
				this.getGoodsList()
			},
			// 删除数据
			async removeById(id){
				const result = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
					confirmButtonText: '确定',
					cancelButtonText: '取消',
					type: 'warning'
					}).catch(err => err)
				if(result !== 'confirm'){
					return this.$message.info('已取消删除')
				}
				const { data:res } = await this.$http.delete(`goods/${id}`)
				if(res.meta.status !== 200) return this.$message.error('删除商品失败')
				this.$message.success('删除成功')
				this.getGoodsList()
			},
			// 添加商品
			goAddpage(){
				this.$router.push('/goods/add')
			}
		}
	}
</script>

<style Lang="less" scoped>
</style>
